Could not load data/temps.json.

Browsers block fetch() from file:// URLs, so this page has to be served over HTTP. From the project root run:

python3 -m http.server 8000

then open http://localhost:8000/index.html.

If the file is genuinely missing, run python scripts/prepare.py first.
← → step decades · ↑ ↓ switch series · click a label to jump